How many nerve cells are located in the cranial cavity
86 billion
A CT scan that
Takes x-ray photographs of the brain, computer creates 3D image
A complex network of nerves and cells that carry messages to and from the brain and spinal cord to various parts of the body
The nervous system
sound travels in.....
waves
Organ which controls all other body systems and organs
The brain
which side of the brain holds logic and is helpful in mathematics?
left side
A PET scan is
Shows brain’s activity by tracing radioactive glucose. High radioactivity = greater brain activity
basic unit of the nervous system
neurons
Molecules and receptors come together at the
Glomerulus
An awareness of the self, including things inside and outside the self.
Consciousness
which side of the brain is helpful with creativity and imagination?
right side
MRI scan is
Takes a detailed picture of the brain’s soft tissue by aligning spinning atoms in a strong magnetic field
Neuron consists of 3 basic parts
Dendrites
cell body
axon
Hair cells generate
nerve impulses
Two Basic Divisions
Objective Conscious
Subjective Conscious
occidental lobe is responsible for
visual processing
fmri scan is
Images the blood flow to the part of the brain being used
Some neurons are covered in a fatty sheath called
myelin sheath
Four defined degrees of hearing loss
Mild
Moderate
Severe
Profound
Dr. Roger Sperry worked with
epileptics
temporal lobe is responsible for
memory and emotions
what type of scan is this?
PET
what get the body ready for action
sympathetic nervous system
Olfaction and taste are both forms of
chemoreception
A man who survived a an explosion where a rod went through his head.
Phineas Gage